A riotous photography collection from a recent underwater mission off the coast of Chile shows new and fascinating deep-sea ...

Toxic algae bloom is wreaking havoc on the Southern California coast, especially in local sea lions, causing seizures, stillbirths, even violence.

A harmful algal bloom of Karenia mikimotoi made dozens of surfers sick and killed seadragons, fish and octopuses on two South ...

Artists transform marine debris into art, educating national park visitors in the process.